A new type of turbomolecular vacuum pump bearing
- 1 April 1983
- journal article
- Published by American Vacuum Society in Journal of Vacuum Science & Technology A
- Vol. 1 (2) , 224-227
- https://doi.org/10.1116/1.572077
Abstract
It has been found practical to operate a vertical rotor turbomolecular vacuum pump with at least one oil lubricated journal or ‘‘sleeve’’ bearing of ringlike proportions running at film sheer speeds of 87 m/s (194 mile/h). Aside from unlimited life and low noise, the new bearing has heat transfer capabilities which will extend the pump’s useful blowers.Keywords
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